How does dark matter affect the universe?

How does dark matter affect the universe? The dark matter problem can also be viewed as a question of the nature of clustering matter. Dark matter must be the basic building block of the largest structures in the universe: galaxies and clusters. read more

The dark matter problem can also be viewed as a question of the nature of clustering matter. read more

In this context Dark matter doesn't affect universe much except for curving the space time. Possible candidate for Dark matter is Neutrinos but more research is being done in this field for properly ruling out the content of dark matter. P.S.: Black holes are not Dark Matter. read more

Unlike normal matter, dark matter does not interact with the electromagnetic force. This means it does not absorb, reflect or emit light, making it extremely hard to spot. In fact, researchers have been able to infer the existence of dark matter only from the gravitational effect it seems to have on visible matter. read more